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Why are factors of 20 odd and even numbers?
Every even number has odd and even factors.
What numbers between 50 and 60 have an even number of factors?
Every one of them has an even number of factors.
What two factors are common to every even number?
1 and 2 are common factors to even numbers
Does every positive integer greater than 20 have an even number of factors?
No. They have different number of factors
Is 12 an odd number or an even number?
12 is an even number and it is also a composite number because it has more than two factors
Are factors of 20 even?
No, all the factors of 20 are not even because 5 which is an odd number is a factor of 20. Well, every number has 1 as its factor, so no counting number can have all even factors.
What is even numbers with two factors?
That is actually impossible. This is because every number has two factors ( the number itslef and 1) . If a number is even there will be one more factor, that is 2. So an even number has to have atleast 3 factors.
Are all the factors of 10 even?
No. One is a factor of every number.
Are every even number has at least two factors?
Every even number but 2. Even numbers have 2 as a factor (by definition), so higher even numbers can be separated into two factors, 2 and some other number. For example, 6 = 2 x 3.
Why do perfect squares have an odd number of factors?
Every number has an even number of factors. If the number is a perfect square, then two of its factors are equal, so the pair looks like a single number.
Are all factors of 8 even?
No. 1 is odd, and is a factor of every number.
Is every positive integer greater than 20 has an even number of factors?
No.
